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Greenhaven Road Investment Management, L.P.: CLBT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Greenhaven Road Investment Management, L.P. on CLBT, newest first. How the timeline and the estimate are built.

Greenhaven Road Investment Management, L.P. held 1,260,039 CLBT shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,260,039 shares
    Change vs previous 13F -275,212 shares

    11.94% of the 13F portfolio, value $18,396,569.

    13F-HR 0001420506-26-001699 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 1,535,251 shares
    Change vs previous 13F -64,686 shares

    14.55% of the 13F portfolio, value $21,155,759.

    13F-HR 0001420506-26-001077 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 1,599,937 shares
    Change vs previous 13F -53,110 shares

    12.5% of the 13F portfolio, value $28,846,864.

    13F-HR 0001420506-26-000339 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F/A 1,653,047 shares
    Change vs previous 13F +135,000 shares

    12.64% of the 13F portfolio, value $30,630,961.

    13F-HR/A 0001420506-25-003515 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 1,518,047 shares
    Change vs previous 13F -54,046 shares

    8.53% of the 13F portfolio, value $24,288,752.

    13F-HR 0001420506-25-001976 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 1,572,093 shares
    Change vs previous 13F -403,448 shares

    12.56% of the 13F portfolio, value $30,545,767.

    13F-HR 0001420506-25-000872 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 1,975,541 shares
    Change vs previous 13F -110,870 shares

    16.82% of the 13F portfolio, value $43,521,168.

    13F-HR 0001420506-25-000362 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 2,086,411 shares
    Change vs previous 13F not available

    14.95% of the 13F portfolio, value $35,135,161.

    13F-HR 0001741129-24-000006 filed by Greenhaven Road Investment Management, L.P.
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).